Le plus-que-parfait = had + participe passé : "I had never met him before the party."
Il s'emploie au discours indirect (pour remplacer le prétérit et le present perfect du discours direct) : "I told him I had never seen this film before."
Il s'emploie dans un contexte passé pour indiquer qu'une action est antérieure à une autre : "They went to bed once everyone had left."
Il s'emploie pour exprimer un regret après "wish" : "Now that she has failed all her exams, she wishes she had worked harder."
